package main

import "fmt"

const (
	a = iota
	b = iota + 9
	c = iota - 4
	d = iota
)

func main() {
	fmt.Printf("%T: %[1]v\n", a)
	fmt.Printf("%T: %[1]v\n", b)
	fmt.Printf("%T: %[1]v\n", c)
	fmt.Printf("%T: %[1]v\n", d)
}
